MARA’s Bitcoin mining revenue hits record $752M as BTC price soars

MARA Holdings, formerly Marathon Digital Holdings, has reached a new all-time high in Bitcoin mining revenue, fueled by Bitcoin’s recent surge to a record price.

The company’s annualized mining revenue exceeded $752 million on May 27, according to data from CryptoQuant, making it the most profitable day in the company’s history. Marathon is currently the world’s largest publicly traded Bitcoin (BTC) mining firm by market capitalization.

“Quarterly reports are slow. Onchain shows revenue in real time,” CryptoQuant founder and CEO Ki Young Ju wrote in a May 27 X post confirming the milestone. 

Marathon’s record revenue surge occurred days after Bitcoin rose to a new all-time high of $112,000 for the first time on May 22, a development attributed by some analysts to Japanese bond market turbulence, which saw bond yields rise to new highs amid economic turbulence in the country.

BTC mining revenue, MARA, year-to-date chart.

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StarkWare launches mobile-friendly zero-knowledge prover

Blockchain company StarkWare has unveiled zero-knowledge (ZK) prover STARK Two (S-two), enabling enhanced privacy and verification on everyday devices like phones, laptops and browsers. 

The company said the new ZK prover allows users to generate complex cryptographic proofs from the client side. This means users can generate ZK-proofs directly on their devices instead of relying on a server or cloud infrastructure, opening the door for faster and more private applications across the internet. 

“S-two will bring STARK proving to everyday devices, and open the door for new real-world proving use cases,” said Eli Ben-Sasson, StarkWare co-founder and CEO, adding that the tool could empower the next wave of ZK applications. 

The company said the ZK prover is now available in public alpha and is set to roll out on Starknet, its Ethereum layer-2 scaling solution, later this year.  

StarkWare says new ZK prover is 39 times faster than old solutions 

StarkWare said that benchmark tests

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Taurus, Parafin partnership to provide crypto infrastructure to institutions

Fintech companies Taurus and Parafin have partnered to deliver blockchain infrastructure to financial institutions in Europe and Latin America — a move aimed at accelerating the adoption of crypto custody and settlement services across both regions.

As part of the partnership, Taurus has integrated its product suite into Parafin’s institutional platform, creating an end-to-end solution for digital asset management, including custody, governance, and compliant token issuance, the companies announced on May 27.

Financial institutions using the integrated Taurus-Parafin solution will gain access to custody and tokenization services, real-time wallet execution and a full range of trading capabilities.

Taurus is an enterprise digital asset custody and tokenization solution that enables businesses to issue, store and trade a range of crypto products. 

Parafin, by contrast, is not a blockchain-native company; instead, it offers financial infrastructure and merchant services for small businesses. In December, the company was valued at $750 million following a $100

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USDC issuer Circle moves forward with initial public offering on NYSE

Circle, the issuer of USDC, the second-largest stablecoin by market capitalization, has launched an initial public offering (IPO) of 24 million shares of its Class A common stock, the company said on May 27.

The firm has applied to list its Class A common stock on the New York Stock Exchange (NYSE) under the ticker symbol CRCL. As part of the offering, Circle is issuing 9.6 million shares of Class A common stock, the company said in a news release.

The remaining 14.4 million shares of Class A common stock will be offered by selling stockholders. Circle is also expected to grant the underwriters a 30-day option to buy up to an additional 3.6 million shares of Class A common stock to cover over-allotments.

The IPO involves participation from several major US investment banks, with JPMorgan, Citigroup and Goldman Sachs acting as joint lead active bookrunners, the announcement added.

The offering will also feature

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UK outpaces global crypto ownership growth in 2025: Gemini report

The United Kingdom is leading the world in increasing cryptocurrency ownership among its population in 2025, outpacing economies including the United States, according to a new study by Gemini.

Gemini, the US-based crypto exchange founded by Cameron and Tyler Winklevoss, on May 27 released its latest “State of Crypto” report, giving insights into changes in the global adoption of cryptocurrencies like Bitcoin (BTC).

Based on a survey of 7,200 adults across the US, Europe, Singapore and Australia, the report found that Europe has been leading the way in growing crypto ownership, with the UK in front.

The UK saw the biggest year-over-year growth in crypto ownership of the surveyed nations, with the share of respondents indicating crypto holdings rising to 24% as of April from 18% last year, Gemini said in the report shared with Cointelegraph.

Crypto sees highest ownership in Singapore

While the UK has reportedly seen an increase in new

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Bitcoin shows signs of 'easing momentum' but traders still expect $150K

Key takeaways:

Bitcoin’s RSI has dropped 15% and is now below the overbought threshold.

Bitcoin futures flip bearish with a 43% decline in perpetual CVD.

Analysts predict Bitcoin could reach $150,000 as long as a key support level holds.

Bitcoin’s (BTC) price hit fresh all-time highs of nearly $112,000 on May 23, gaining 50% from its April 1 lows. According to analysts, BTC price is now “showing signs of easing momentum” as it consolidates. 

Bitcoin’s rally to $111K triggered buyer fatigue

BTC’s recent run to $111,000 pushed the daily relative strength index (RSI) into the overbought zone at 79.6. However, “signs of easing momentum” have emerged as the RSI dropped by 15% to 67, said market intelligence firm Glassnode in its latest report, adding:

“This decline may signal cooling buyer enthusiasm, reduction in upward momentum and a potential pause or reversal in the recent

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Luxembourg flags crypto companies as high risk for money laundering

Luxembourg classified virtual asset service providers (VASPs) as high-risk entities for money laundering in its 2025 National Risk Assessment (NRA), highlighting concerns over the crypto industry’s exposure to financial crime.

According to the report, the inherent risk level of VASPs is deemed “High,” driven by factors including transaction volume, client reach, distribution channels, legal structures and the international scope of operations.

The NRA identified VASPs as an emerging risk in its 2020 report after “a detailed assessment of ML inherent risks emerging from virtual assets.” This was followed by a 2022 NRA report deeming “the risks associated with crypto assets and virtual currencies as very high,” because, among other things, they are internet-based and cross-border.

Related: Blender and Sinbad operators face US money laundering charges

EU’s evolving crypto regulation

The EU, of which Luxembourg is a founding member, has been working to regulate the cryptocurrency industry. A key part of this effort is the Markets

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Metaplanet’s Bitcoin 'premium’ nears $600k per BTC

Japanese investment firm Metaplanet’s Bitcoin premium is almost $600,000 per coin, as Asia’s leading Bitcoin treasury firm pushes forward with its plan to purchase 21,000 BTC by 2026.

Metaplanet’s stockholders are paying a more than fivefold premium on Bitcoin’s (BTC) price when investing in the Japanese company, according to a report by 10x Research published on May 27, which wrote:

“A little-known Japanese stock trades as if Bitcoin were worth $596,154, more than five times its actual price.”

Investors who don’t understand the importance of a firm’s net asset value (NAV) may be “dramatically overpaying for their Bitcoin exposure,” on a position that doesn’t provide additional upside leverage, said the report.

The NAV represents the per-unit price of a fund, calculated by dividing the fund’s total assets minus its liabilities by the number of outstanding shares.

Related: $1M Bitcoin by 2030:

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Bitget enters real-world asset race with yield-bearing BGUSD stable asset

Crypto exchange Bitget has entered the expanding market for crypto investment products with the launch of BGUSD, a yield-bearing stable asset backed by tokenized real-world assets.

The company announced that BGUSD offers an annual yield of 4%, which is credited daily to users’ spot accounts. Subscriptions to BGUSD can be made using either USDC (USDC) or USDt (USDT), and the asset is redeemable back to USDC on demand.

The company said the yield is derived from a basket of tokenized instruments, including US Treasury bills and high-grade money-market funds. “These assets are managed via partnerships with regulated institutional tokenization providers such as Superstate,” Bitget CEO Gracy Chen told Cointelegraph.

The product’s structure is designed to reduce exposure to crypto volatility while delivering returns through traditional financial instruments. 

Bitget to roll out third-party attestations

In response to questions about transparency, Chen said that Bitget is preparing to roll out third-party attestations to provide visibility into BGUSD’s

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Blockchain.com expands in Africa as local crypto rules take shape

Blockchain.com is stepping up its presence in Africa, targeting markets where governments are beginning to implement crypto regulations.

The UK-based exchange plans to open a physical office during the second quarter in Nigeria — its “fastest-growing market” in West Africa — along with broader expansion efforts in Ghana, Kenya and South Africa, according to a May 27 report by Bloomberg.

“Nigeria has taken meaningful steps toward creating a clear framework for crypto,” Owenize Odia, Blockchain.com’s general manager for Africa, reportedly said.

The move comes as global sentiment shifts, including political tailwinds from the United States, where President Donald Trump’s pro-crypto stance has encouraged industry expansion.

Related: Hedera Africa Hackathon launches with $1M prize pool and Web3 focus

Nigeria and Ghana lead in crypto regulation

While cryptocurrency trading remains restricted in many African countries, some, including Nigeria and Ghana, are taking steps toward creating legal frameworks for exchanges.

Odia said the company

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